//
// ========================================================================
// Copyright (c) 1995 Mort Bay Consulting Pty Ltd and others.
//
// This program and the accompanying materials are made available under the
// terms of the Eclipse Public License v. 2.0 which is available at
// https://www.eclipse.org/legal/epl-2.0, or the Apache License, Version 2.0
// which is available at https://www.apache.org/licenses/LICENSE-2.0.
//
// SPDX-License-Identifier: EPL-2.0 OR Apache-2.0
// ========================================================================
//

package org.eclipse.jetty.util;

/**
 * Abstract mechanism to support attachment of miscellaneous objects.
 */
public interface Attachable
{
    /**
     * @return the object attached to this instance
     * @see #setAttachment(Object)
     */
    Object getAttachment();

    /**
     * Attaches the given object to this stream for later retrieval.
     *
     * @param attachment the object to attach to this instance
     */
    void setAttachment(Object attachment);
}
